Definition of alluvial fan in English:

Share this entry

alluvial fan

noun

A fan-shaped mass of alluvium deposited as the flow of a river decreases in velocity.
Example sentences
  • Water-transported sediments formed alluvial fan deposits that were laid down on essentially flat-lying volcanic flows by streams flowing toward the center of the rift basin.
  • The Copper River alluvial fan is an outwash plain, that is, formed from sediments deposited by glacial meltwater.
  • Deposits in the Solund Basin consist almost entirely of alluvial fan conglomerates.

For editors and proofreaders

Syllabification: al·lu·vi·al fan

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.